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X. Zheng (1993)
Modelling fatigue crack initiation lifeInternational Journal of Fatigue, 15
Zhang Zhongping, W. Weihua, Cheng Donglin, S. Qiang, Zhao Wen-zhen (2004)
New formula relating the yield stress-strain with the strength coefficient and the strain-hardening exponentJournal of Materials Engineering and Performance, 13
M. Zheng, E. Niemi, Xiulin Zheng (1997)
An energetic approach to predict fatigue crack initiation life of LY12CZ aluminum and 16 Mn steelTheoretical and Applied Fracture Mechanics, 26
Xiulin Zheng (1989)
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Xiulin Zheng (1986)
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The purpose of the present article is to theoretically calculate the strain-hardening exponent and the strength coefficient of metallic materials. For this purpose, two equations are used. The first one correlates the strain-hardening exponent and the strength coefficient with the yield stress-strain behavior, while the other one correlates the fracture strength and the fracture ductility. From these two equations, the expressions of both the strain-hardening exponent and the strength coefficient are deduced. Theoretical results from the deduced expressions are then compared with test data. Through the comparison of equations and data, if adequate test data are lacking, the deduced expressions can be used to theoretically calculate the strain-hardening exponent and the strength coefficient for metallic materials. The characteristics of the theoretical approach are simple and easy to use. In addition, the theoretical results can be further applied to examine the correctness of the test data.
Journal of Materials Engineering and Performance – Springer Journals
Published: Mar 24, 2007
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